Self-pumping fuel injector for a gas turbine engine and method of operation
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United States of America Patent
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Oct 15, 2019
Grant Date -
Nov 10, 2016
app pub date -
Dec 19, 2014
filing date -
Dec 19, 2013
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Abstract
A self-pumping fuel injector includes a pump and a motor for, in-part, delivering fuel to a combustor at higher fuel pressures during start-up and ramping-up conditions. Each pump may include a stationary flow interuptor that intermittently and variably supplies fuel to a rotating spindle that, in-turn, expels the fuel into a nozzle of the injector for improve fuel spray distributions.
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